pull解析

需要导包：xmlpull_1_1_3_1.jar 和kxml2-2.3.0.jar

package  tan .  pull ;

import  java .  io . FileReader  ;

import  org .  xmlpull . v1  . XmlPullParser ;

import  org .  xmlpull . v1  . XmlPullParserFactory ;

public  class  TestPullExe  {

       public  static  void  main ( String  []  args )  throws  Exception  {

            //查询id=007学生

            //1.获取解析器工厂

          XmlPullParserFactory  factory  =  XmlPullParserFactory . newInstance ()  ;

            //2.使用工厂对象生成解析器对象

          XmlPullParser  parser  =  factory . newPullParser  () ;

            //3.使用解析器对象加载 xml

          parser  . setInput ( new  FileReader ( "student.xml"  )) ;

          

            //读取到指定内容的标示符

            boolean  isReadId  =false ;

            boolean  isReadName  =false ;

          

            while ( parser  . next () != XmlPullParser  . END_DOCUMENT ){

                 if ( parser  . getEventType ()  == XmlPullParser .  START_TAG ){

                     //读到id且等于007这设置isReadId=true;

                   String  idStr  =  parser . getAttributeValue (  null,  "id" )  ;

                     if ( "007"  . equals ( idStr )){

                        isReadId  =true ;

                     }

                     //读到name,且isReadName=true;

                     if ( "name"  . equals ( parser .  getName ())  &&  isReadId ){

                        isReadName  =true ;

                     }

                }

                 if ( parser  . getEventType ()  == XmlPullParser .  TEXT ){

                //如果

                if ( isReadId  &&  isReadName ){

                   System  . out .  println (  "name:" + parser  . getText ()) ;

                     break;

                }

                   

                }

            }

          

          System  . out .  println (  parser . getEventType  ()) ;  //4 文本

     

       }

}